Home / 13,649,484,308.67-18,836,358,000.17-7,628,090,210.73

Finding the Fourth Proportional to 13,649,484,308.67, 18,836,358,000.17 and 7,628,090,210.73

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Solution

The fourth proportional to 13,649,484,308.67, 18,836,358,000.17 and 7,628,090,210.73 is: 10,526,803,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,484,308.67 : 18,836,358,000.17 = 7,628,090,210.73 : x
  2. Step 2: Convert to fraction form
    13,649,484,308.67/18,836,358,000.17 = 7,628,090,210.73/x
  3. Step 3: Cross multiply
    13,649,484,308.67x = 18,836,358,000.17 × 7,628,090,210.73
  4. Step 4: Simplify right side
    13,649,484,308.67x = 143,685,438,066,871,975,936
  5. Step 5: Solve for x
    x = 143,685,438,066,871,975,936/13,649,484,308.67
  6. Step 6: Final answer
    x = 10,526,803,417.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.